US4991460A - Shift lever device for automatic transmission - Google Patents

Shift lever device for automatic transmission Download PDF

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Publication number
US4991460A
US4991460A US07/263,766 US26376688A US4991460A US 4991460 A US4991460 A US 4991460A US 26376688 A US26376688 A US 26376688A US 4991460 A US4991460 A US 4991460A
Authority
US
United States
Prior art keywords
shift lever
pivotal motion
lever
pivotal
automatic transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/263,766
Other languages
English (en)
Inventor
Katsunori Shirahama
Toshiyuki Hara
Junichi Maekawa
Hiroshi Yamazaki
Tsutomu Aihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Mitsui Kinzoku ACT Corp
Original Assignee
Ohi Seisakusho Co Ltd
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ohi Seisakusho Co Ltd, Nissan Motor Co Ltd filed Critical Ohi Seisakusho Co Ltd
Application granted granted Critical
Publication of US4991460A publication Critical patent/US4991460A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2014—Manually operated selector [e.g., remotely controlled device, lever, push button, rotary dial, etc.]
    • Y10T74/20159—Control lever movable through plural planes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20582—Levers
    • Y10T74/20612—Hand

Definitions

  • the present invention relates to a shift lever device for controlling an automatic transmission for an automotive vehicle, and more specifically to a shift lever device which can select seven or more transmission range positions.
  • a shift lever device for an automatic transmission mounted on an automatic vehicle is disposed between an instrument panel and a console box at the central portion of the vehicle floor.
  • the driver can select a desired transmission range position by selectively shifting a shift lever of the device in the frontward or rearward direction
  • the transmission ranges selectable by the shift lever are usually, as shown in FIG. 11, 6 range positions of Park (P), Reverse (R), Neutral (N), automatic Drive (D), Manual II (2), and Manual I (1), for instance as disclosed in Japanese Published Unexamined (Kokai) Utility Model Appli. No. 56-52098.
  • a shift lever device for controlling an automatic transmission which can reduce the shift lever stroke in the front and rear direction by dividing the shift lever stroke into a first vehicle longitudinal direction and a second vehicle lateral direction.
  • a shift lever device for controlling an automatic transmission for an automotive vehicle comprises: (a) a shift lever pivoted in first and second directions, for controlling the automatic transmission; (b) a guide plate formed with a shift lever guide slot extending in both first and second directions, for guiding said shift lever at a plurality of transmission range positions; (c) a pivotal motion transmitting mechanism linked with said shift lever, for directly transmitting a first-direction pivotal motion of said shift lever; (d) a pivotal motion converting mechanism linked with said shift lever, for converting a second-direction pivotal motion of said shift lever into the first-direction pivotal motion; and (e) an output lever linked between said pivotal motion transmitting and converting mechanisms and the automatic transmission, for transmitting the transmitted and converted first direction pivotal motion to the automatic transmission to control the transmission.
  • the pivotal motion transmitting mechanism includes (a) a U-shaped bracket fixed to a lower end of said shift lever; (b) a pivotal shaft formed with straight slots extending in an axial direction thereof; and (c) a pin passed through the straight slots, for linking said U-shaped bracket to said shaft; and the pivotal motion converting mechanism includes (d) a collar member formed with cam grooves extending at an inclination angle with respect to an axial direction of said pivotal shaft, said collar member being disposed coaxially with said shaft with said pin passed through both the straight slots and said cam grooves, said output lever being fixed to an end of said collar member.
  • the pivotal motion transmitting mechanism includes (a) a U-shaped bracket fixed to a lower end of said shift lever; (b) a pivotal shaft; and (c) a pin for pivotally connecting said U-shaped bracket to said pivotal shaft; and wherein said pivotal motion converting mechanism includes (d) a cam groove formed in said output lever extending at an inclination angle with respect to an axial direction of said pivotal shaft, said output lever being fixed to said pivotal shaft, said shift lever being passed through said cam groove.
  • the shift lever device for controlling an automatic transmission since the shift range positions are arranged in both vehicle longitudinal and lateral directions and since the shift lever pivotal motion in the longitudinal direction can directly be transmitted through the pivotal motion transmitting mechanism linked with the shift lever, and further the shift lever pivotal motion in the lateral direction can be converted into the same longitudinal direction pivotal motion though the pivotal motion converting mechanism also linked with the shift lever, it is possible to reduce the longitudinal dimension of the multirange shift lever device. Therefore, it is possible to allow a large console box to be disposed and the driver not to bend his body forward whenever he shifts the shift lever.
  • FIG. 1 is a perspective, partially exploded view showing a first embodiment of the shift lever device according to the present invention
  • FIG. 2 is a cross-sectional view taken along the line II--II in FIG. 1;
  • FIG. 3 is an exploded view showing an essential portion (pivotal motion transmitting and converting mechanism) of the shift lever device shown in FIG. 1;
  • FIG. 4 is a cross-sectional view taken along the line IV--IV in FIG. 1, which also shows the essential portion of the shift lever device;
  • FIG. 5 is an illustration for assistance in explaining the cam groove formed in a collar of the shift lever device
  • FIG. 6 is an illustration for assistance in explaining another modification of the cam groove formed in a collar of the shift lever device
  • FIG. 7 is an illustration for assistance in explaining a shift lever guide of the modification shown in FIG. 6;
  • FIG. 8 is a perspective, partially exploded view showing a second embodiment of the shift lever device according to the present invention.
  • FIG. 9 is a cross-sectional view taken along the line IX--IX in FIG. 8;
  • FIG. 10 is a top view when seen from above (X--X) in FIG. 8;
  • FIG. 11 is an illustration for assistance in explaining a shift lever guide of the prior-art shift lever device for controlling an automatic transmission.
  • the feature of the shift lever device is to divide the transmission range positions in the vehicle longitudinal direction and the vehicle lateral direction, and to directly transmit the shift lever pivotal motion in the longitudinal direction through a pivotal motion transmitting mechanism (e.g. shaft) linked with the shift lever, and convert the shift lever pivotal motion in the lateral direction into the longitudinal direction pivotal motion through a pivotal motion converting mechanism (e.g. cam groove) linked with the shift lever.
  • a pivotal motion transmitting mechanism e.g. shaft
  • a pivotal motion converting mechanism e.g. cam groove
  • a shift lever device 10 can be roughly divided into a shift mechanism section 12, a shift lever 14 vertically disposed on the shift mechanism section 12, and a shift lever guide cover 22. Therefore, when the shift lever 14 is shifted along a guide slot 52 of the shift lever guide cover 22 by the driver, an output lever 38 is pivoted to move a select rod 50 (connected to a transmission) in the vehicle longitudinal (Y) direction as shown in FIG. 1 to select one of transmission ranges.
  • a pivotal motion transmitting mechanism 42 i.e. shaft 26
  • a pivotal motion converting mechanism 48 i.e. cam grooves 40 formed in the collar 34
  • the shift mechanism section 12 comprises a base plate 18 fixed to a floor panel (not shown); a detent plate 20 vertically fixed to the base plate 18; a bracket 24 fixed to the base plate 18 so as to oppose the detent plate 20; the pivotal motion transmitting and converting mechanisms 42 and 48 pivotally supported between the detent plate 20 and the bracket 24; the output lever 38 fixed to the pivotal motion converting mechanism 48 via an opening 36 formed in the base plate 18; and a select rod (or wire) 50 fixed to the output lever 38.
  • This select rod 50 is linked with a control valve (not shown) incorporated in an automatic transmission to select any desired transmission range.
  • the pivotal motion transmitting and converting mechanisms 42 and 48 comprises a pivotal shaft 26 formed with two straight slots 30 extending in the axial direction thereof and penetrating in the radial direction thereof; the collar member 34 formed with cam grooves 40 extending in the axial direction thereof and at an inclination angle with respect to the axial direction thereof and penetrating in the radial direction thereof; a U-shaped bracket 28 fixed to the lowermost end of the shift lever 14; and a pin 32.
  • the pivotal shaft 26 is pivotally supported by the detent plate 20 and the bracket 24.
  • the collar member 34 is rotatably supported by this pivotal shaft 26 coaxially therewith with both ends thereof in contact with the inner surfaces of the detent plate 20 and the bracket 24.
  • the U-shaped bracket 28 is linked to the pivotal shaft 26 and the collar member 34 with a pin 32 passed through the cam grooves 40 formed in the collar member 34 and the straight slots 30 formed in the pivotal shaft 26.
  • each cam groove 40 includes a rightward end portion 40a (P, R, N, D, 3, 2) extending in the axial direction of the collar member 34, an inclined portion 40b, and a leftward end portion 40c (l) also extending in the axial direction thereof.
  • the upper end portion 20a of the detent plate 20 is bent horizontally in parallel to the base plate as shown in FIG. 1.
  • An elastic U-shaped bush member 46 is fixed on this top of the detent plate 20. Therefore, when the shift lever 14 is moved in the rearward direction, the shift lever 14 is slidably inserted into a space 44 of the U-shaped bush member 46. Under these conditions, when the shift lever 14 is inclined in the vehicle lateral (X) direction with the bush member 46 as its fulcrum as shown by dot-dot-dashed lines in FIG. 2, the pin 32 is moved in the opposite leftward direction in FIG. 5.
  • the shift lever guide cover 22 is formed with a shift guide slot 52 for restricting the shift motion of the shift lever 14.
  • P (parking), R (reverse) and N (neutral) range positions are arranged at a straight line in the Y direction
  • N (neutral) and D (drive) range positions are arranged in a crank shaped groove 52a
  • D (drive) and 3 (overdrive) range positions are arranged at a straight line
  • 3 (overdrive) and 2 (manual II) range positions are arranged in another crank shape 52b opposite to the crank shaped groove 52a
  • 2 (manual II) and 1 (manual I) range positions are arranged at another straight line extending in the X direction.
  • the stroke of the shift lever 14 at the crank shaped grooves 52a and 52b corresponds to the axial length of the rightward end portion 40a of the cam grooves 40 formed in the collar member 34.
  • the shift lever 14 is provided with a detent pin 56 moved up and down when a button 54 disposed in a lever knob 16 is released or depressed.
  • This detect pin 56 is engaged with or disengaged from a cam surface 58 formed in the detent plate 20 in order to restrict the shift motion of the shift lever 14 between P and R range positions and between N and R range positions.
  • the shift lever 14 is shifted along the guide slot 52 formed in the guide cover 22.
  • P, R, N, 3 and 2 range positions can be selected by moving the shift lever 14 in the vehicle longitudinal (Y) direction
  • 2 and 1 range positions can be selected by moving the shift lever 14 in the vehicle lateral (X) direction.
  • the collar member 34 is pivoted counterclockwise in FIGS. 1, 3 and 4 with the pin 32 located at the rightward end 40a (FIG.
  • crank shaped guide slot 52a serves to prevent the shift lever 14 from being directly moved from N to D range positions or vice versa
  • crank shaped guide slot 52b serves to prevent the shift lever 14 from being directly moved from 3 to 2 range positions or vice versa.
  • FIGS. 6 and 7 show another modification of the shift lever device shown in FIG. 1.
  • the cam grooves 40 formed in the collar member 34 are formed as shown in FIG. 6. That is, each cam groove 40 includes a central portion 40a (R, D, N, 3, 2) extending in the axial direction of the collar member 34, a first inclined portion 40b, a leftward end portion 40c (l) also extending in the axial direction, a second inclined portion 40d, and a rightward end portion 40e (P).
  • the shift lever guide slot 52 is formed as shown in FIG. 7.
  • FIGS. 8 to 10 show a second embodiment of the shift lever device according to the present invention.
  • the output shaft 38 is formed with a cam groove 60 so as to be directly pivoted by the shift lever 14.
  • the same references have been retained for similar parts which have the same functions as with the first embodiment previously described, without repeating any detailed description thereof.
  • the shift lever bracket 28 is pivotally supported by the pin 32 passed through the diametral direction of the pivotal shaft 26. That is, the pin 32 is not movable along the axial direction of the pivotal shaft 26 as in the first embodiment. Therefore, the shift lever 14 can be pivoted in the vehicle longitudinal (Y) direction about the pivotal shaft 26 and in the vehicle lateral (X) direction about the pin 32.
  • the output lever 38 is pivotally supported around the pivotal shaft 26 and extends in the upward direction. An upper end of the upper portion 38a of the output lever 38 is bent toward the shift lever 14 roughly horizontally in parallel to the base plate 18 and formed with a cam groove 60 through which the shift lever 14 is passed, as shown in FIG. 8.
  • the cam groove 60 includes a leftward end portion 60a (P, R, N, D, 3, 2) extending in the X direction and an inclined portion 60b (l). Therefore, when the shift lever 14 is set vertically as shown by solid lines in FIG. 9, the shift lever 14 is located at this leftward end portion 60a and shiftable between P and 2 range positions, so that the output lever 38 is directly pivoted in the Y direction. On the other hand, when the shift lever 14 is inclined as shown by dot-dot-dashed lines in FIG. 9, the shift lever 14 is located at the inclined portion 60b in FIG. 10 and shifted from 2 to 1 range portion. In this case, since the shift lever 14 moves along the cam groove 60 of the output lever 38, the output lever is further pivoted counterclockwise in FIG. 8 to a position as shown by dot-dot-dashed lines in FIG. 10.
  • a spring 62 is disposed between the shift lever bracket 28 and the output lever 38 in order to always urge the shift lever 14 to the leftward end portion 60a of the cam groove 60.
  • the pivotal motion transmitting and converting mechanisms 42 and 48 i.e. the pivotal shaft 26 and the collar member 34
  • the straight slots 30 and the cam grooves 40 are provided between the shift lever 14 and the output lever 38, when the shift lever is first moved in the vehicle longitudinal (Y) direction and then in the vehicle lateral (X) direction, it is possible to continuously pivot the output lever in the same direction, so that it is possible to move the control level connected to a control valve for an automatic transmission in the same direction.
  • the shift lever range positions are arranged being divided in both the directions, it is possible to decrease the longitudinal length of the shift lever device and therefore increase the size of the console box, while providing a better lever shift operation without allowing the driver to bend his body forward when he shifts the shift lever over a long stroke.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Control Of Transmission Device (AREA)
US07/263,766 1987-10-30 1988-10-28 Shift lever device for automatic transmission Expired - Lifetime US4991460A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1987166344U JPH0454362Y2 (en, 2012) 1987-10-30 1987-10-30
JP62-166344 1987-10-30

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US07/263,766 Expired - Lifetime US4991460A (en) 1987-10-30 1988-10-28 Shift lever device for automatic transmission

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5156060A (en) * 1990-08-20 1992-10-20 Nissan Motor Co., Ltd. Shift lever control device
WO1993016428A1 (en) * 1992-02-06 1993-08-19 Dura Mechanical Components, Inc. Simplified automatic transmission shifter
EP0624741A1 (fr) * 1993-05-11 1994-11-17 Automobiles Peugeot Dispositif formant commande de vitesses pour boîte de vitesses automatique de véhicule
AT1043U1 (de) * 1995-12-22 1996-09-25 Steyr Daimler Puch Ag Hebel für mechanische fernbedienung
US5791197A (en) * 1996-07-24 1998-08-11 Grand Haven Stamped Products Automatic transmission shifter with manual shift mode
EP0845089B1 (de) * 1995-09-06 1999-12-01 Sachsenring Automobiltechnik AG Schaltvorrichtung für ein getriebe
USD418787S (en) * 1998-08-06 2000-01-11 Daimlerchrysler Ag Shift plate
USD440917S1 (en) 2000-01-31 2001-04-24 Daimlerchrysler Ag Surface configuration of a gear lever plate for a vehicle
US6443031B1 (en) * 1999-11-05 2002-09-03 Hyundai Motor Company Slide cover unit for a shift lever assembly
US20050274857A1 (en) * 2004-06-12 2005-12-15 Gevaert Steven C Fixed seating arrangement having a swing arm shroud with a sliding shield member
CN100425468C (zh) * 2005-06-03 2008-10-15 丰田自动车株式会社 车辆换档杆装置
CN104245388A (zh) * 2012-04-26 2014-12-24 株式会社东海理化电机制作所 换挡装置
US11434990B2 (en) * 2019-12-25 2022-09-06 Mazda Motor Corporation Vehicle shift device with lateral and longitudinal motion

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122941A (en) * 1964-03-03 Figure
US4138903A (en) * 1977-10-05 1979-02-13 Massey-Ferguson Inc. Hydrostatic transmission control
JPS61146641A (ja) * 1984-12-20 1986-07-04 Aisin Warner Ltd 車両用動力伝達装置の操作装置
US4619152A (en) * 1984-09-18 1986-10-28 Nippon Cable System, Inc. Transmission operating device
US4698048A (en) * 1985-04-16 1987-10-06 Rundle Kenneth P Variable speed tractor transmission and single lever control
US4732232A (en) * 1986-04-14 1988-03-22 Toyota Jidosha Kabushiki Kaisha Tiltable shift lever assembly for automotive vehicle transmission

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122941A (en) * 1964-03-03 Figure
US4138903A (en) * 1977-10-05 1979-02-13 Massey-Ferguson Inc. Hydrostatic transmission control
US4619152A (en) * 1984-09-18 1986-10-28 Nippon Cable System, Inc. Transmission operating device
JPS61146641A (ja) * 1984-12-20 1986-07-04 Aisin Warner Ltd 車両用動力伝達装置の操作装置
US4698048A (en) * 1985-04-16 1987-10-06 Rundle Kenneth P Variable speed tractor transmission and single lever control
US4732232A (en) * 1986-04-14 1988-03-22 Toyota Jidosha Kabushiki Kaisha Tiltable shift lever assembly for automotive vehicle transmission

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5156060A (en) * 1990-08-20 1992-10-20 Nissan Motor Co., Ltd. Shift lever control device
WO1993016428A1 (en) * 1992-02-06 1993-08-19 Dura Mechanical Components, Inc. Simplified automatic transmission shifter
US5309783A (en) * 1992-02-06 1994-05-10 Dura Mechanical Components, Inc. Simplified automatic transmission shifter
EP0624741A1 (fr) * 1993-05-11 1994-11-17 Automobiles Peugeot Dispositif formant commande de vitesses pour boîte de vitesses automatique de véhicule
FR2705129A1 (fr) * 1993-05-11 1994-11-18 Peugeot Dispositif formant commande de vitesses pour boîte de vitesses automatique de véhicule.
EP0845089B1 (de) * 1995-09-06 1999-12-01 Sachsenring Automobiltechnik AG Schaltvorrichtung für ein getriebe
AT1043U1 (de) * 1995-12-22 1996-09-25 Steyr Daimler Puch Ag Hebel für mechanische fernbedienung
US5791197A (en) * 1996-07-24 1998-08-11 Grand Haven Stamped Products Automatic transmission shifter with manual shift mode
USD418787S (en) * 1998-08-06 2000-01-11 Daimlerchrysler Ag Shift plate
US6443031B1 (en) * 1999-11-05 2002-09-03 Hyundai Motor Company Slide cover unit for a shift lever assembly
US6666107B2 (en) 1999-11-05 2003-12-23 Hyundai Motor Company Slide cover unit for a shift lever assembly
USD440917S1 (en) 2000-01-31 2001-04-24 Daimlerchrysler Ag Surface configuration of a gear lever plate for a vehicle
US20050274857A1 (en) * 2004-06-12 2005-12-15 Gevaert Steven C Fixed seating arrangement having a swing arm shroud with a sliding shield member
US7370909B2 (en) * 2004-06-12 2008-05-13 Krueger International, Inc. Fixed seating arrangement having a swing arm shroud with a sliding shield member
US7703844B2 (en) 2004-06-12 2010-04-27 Krueger International, Inc. Method of shielding a swing arm in a seating arrangement having a movable seat
CN100425468C (zh) * 2005-06-03 2008-10-15 丰田自动车株式会社 车辆换档杆装置
CN104245388A (zh) * 2012-04-26 2014-12-24 株式会社东海理化电机制作所 换挡装置
US20150101448A1 (en) * 2012-04-26 2015-04-16 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Shift device
US9255636B2 (en) * 2012-04-26 2016-02-09 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Shift device
CN104245388B (zh) * 2012-04-26 2017-03-01 株式会社东海理化电机制作所 换挡装置
US11434990B2 (en) * 2019-12-25 2022-09-06 Mazda Motor Corporation Vehicle shift device with lateral and longitudinal motion

Also Published As

Publication number Publication date
JPH0172620U (en, 2012) 1989-05-16
JPH0454362Y2 (en, 2012) 1992-12-21

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